function checkEmailAddress(field,empty_err){var err=false;var res,x;if(!field)
return true;if(field.value.length==0){if(empty_err!='Y')
return true;else
err=true;}
var arrEmail=field.value.replace(/^\s+/,'').replace(/\s+$/,'').split('@');if(arrEmail.length!=2||arrEmail[0].length<1)
err=true;if(!err){if(arrEmail[0].length>2)
res=arrEmail[0].search(/^[-\w][-!#\$%&'*+.\/\d\.\w]+[-\w]$/gi);else
res=arrEmail[0].search(/^[-\w]+$/gi);if(res==-1)
err=true;}
if(!err){var arr2Email=arrEmail[1].split('.');if(arr2Email.length<2)
err=true;}
if(!err){var domenTail=arr2Email[arr2Email.length-1];var _arr2Email=new Array();for(x=0;x<arr2Email.length-1;x++)
_arr2Email[x]=arr2Email[x];arr2Email=_arr2Email;var domen=arr2Email.join('.');res=domen.search(/^[-!#\$%&*+\\\/=?\.\w^`{|}~]+$/gi);if(res==-1)
err=true;res=domenTail.search(/^[a-zA-Z]+$/gi);if(res==-1||domenTail.length<2||domenTail.length>6)
err=true;}
if(err){alert(txt_email_invalid);field.focus();field.select();}
return!err;}